Answer:
3
Explanation:
A.
farming
B.
burning fossil fuels
C.
overfishing
D.
deforestation
Answer:
bugs
Explanation:
The correct answer is option D, that is, the four electrons in its outer shell.
Carbon is a very common constituent of matter as it can combine with other elements and with itself. It can produce a huge array of compounds, varying in size from just a few atoms to thousands of atoms.
Carbon is a nonmetal in the periodic table group 14. Carbon has four valence electrons, the valence electrons refer to the electrons in the outer energy level of an atom, which takes part in chemical bonds.